摘要：
1>hset setname field value hset stuSet name zhangsan:1 2>hget setname field hget stuset name:nil hget stuSet name:zhangsan(说明redis是区分大小写的) 3>hsetnx se 阅读全文
摘要：
1>set set name zhangsan :OK get name: zhangsan set name lisi:OK get name: lisi 2> setnx 如果存在，返回0，不覆盖原值 setnx name lisi :0 get name: lisi setnx age 15: 阅读全文